A team in Massachusetts has recovered lithium carbonate at 99.79...

Microbes entombed in deep permafrost, ground that stays frozen for...

High above Earth, an astronaut looked down on northern Ethiopia....

Rainforests change fast. Heat rises, light shifts, and leaves fight...

Less than three sugar cubes worth of plastic can be...

Cave pillars that can rise hundreds of feet turn out...

Scientists have found that cheaper passenger cars often release more...

Four Earth systems that keep our planet stable are failing,...

Cahokia rose near today’s St. Louis and stretched across about...

Walk through an oak stand in late summer or fall,...

Crack open a chunk of white quartz from a gold...